---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31870 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 65G 17% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 679 7940 4 7368 14967 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:83:cb:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83836sec preferred_lft 83836sec inet6 fe80::f816:3eff:fe83:cb1b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:31:f8:a8:3b:02 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-31870) 06/30/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:20 22.44 0.07 19.73 2.63 6.63 2200.17 7208.27 19:30:20 33.38 0.02 30.06 3.30 0.41 4528.25 19983.79 19:40:23 25.54 0.30 10.08 15.17 11.50 6549.97 284483.62 Average: 27.11 0.13 19.94 7.04 6.19 4428.20 104111.68 19:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:20 8523300 12709216 3245932 19.82 151436 4130324 3256036 18.69 894576 6542544 113936 19:30:20 7123676 12232156 3717824 22.71 172360 4990568 3645236 20.92 1172100 7615496 1356 19:40:23 8171876 15357308 586684 3.58 188748 6984196 1110416 6.37 1925836 5723048 241688 Average: 7939617 13432893 2516813 15.37 170848 5368363 2670563 15.33 1330837 6627029 118993 19:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:20 lo 1330.85 1330.85 1261.85 1261.85 0.00 0.00 0.00 0.00 19:20:20 ens3 49.15 37.22 46.11 11.91 0.00 0.00 0.00 0.00 19:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:20 lo 1329.32 1329.32 1264.59 1264.59 0.00 0.00 0.00 0.00 19:30:20 ens3 47.48 37.48 30.41 12.90 0.00 0.00 0.00 0.00 19:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:23 lo 2549.97 2549.97 9248.46 9248.46 0.00 0.00 0.00 0.00 19:40:23 ens3 33.04 31.09 128.16 188.83 0.00 0.00 0.00 0.00 19:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1737.71 1737.71 3931.53 3931.53 0.00 0.00 0.00 0.00 Average: ens3 43.22 35.25 68.30 71.36 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-31870) 06/30/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:20 CPU %user %nice %system %iowait %steal %idle 19:20:20 all 63.62 0.00 2.23 0.10 0.09 33.95 19:20:20 0 62.62 0.00 2.31 0.08 0.09 34.89 19:20:20 1 61.94 0.00 2.17 0.14 0.10 35.66 19:20:20 2 64.67 0.00 2.01 0.12 0.09 33.11 19:20:20 3 65.25 0.00 2.44 0.08 0.10 32.13 19:30:20 all 59.66 0.00 2.43 0.14 0.09 37.68 19:30:20 0 58.40 0.00 2.60 0.06 0.09 38.85 19:30:20 1 58.68 0.00 2.71 0.25 0.09 38.27 19:30:20 2 60.67 0.00 2.18 0.09 0.09 36.97 19:30:20 3 60.91 0.00 2.24 0.15 0.09 36.61 19:40:23 all 31.33 0.00 1.23 0.38 0.08 66.98 19:40:23 0 32.73 0.00 1.66 0.22 0.07 65.32 19:40:23 1 34.49 0.00 1.32 0.10 0.08 64.01 19:40:23 2 25.62 0.00 0.79 0.56 0.08 72.95 19:40:23 3 32.48 0.00 1.16 0.64 0.07 65.64 Average: all 51.50 0.00 1.97 0.21 0.09 46.24 Average: 0 51.22 0.00 2.19 0.12 0.09 46.38 Average: 1 51.68 0.00 2.06 0.16 0.09 46.00 Average: 2 50.26 0.00 1.66 0.26 0.09 47.73 Average: 3 52.85 0.00 1.94 0.29 0.09 44.83